General Category > Quadrajet Carb Talk and Tips

Carb Kit for a marine carb.

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omaha:
Hey Cliff and everybody, I'm new to forum so here goes my first question.

A guy I work with needs me to rebuild his carb on his boat. I think it's a mercruiser but I know its a smallblock chevy from the mid to late eighties. Have not seen the carb yet as he is supposed to remove and bring it to me.  Obvious question ; is this carb any different than the automotive design? Should ther be anything I need to look out for? Should I go and remove it for him so he doesnt break something {that is hard to replace}? Any info would be great?   BTW Cliff I have read the book and think it is the best!! 

Cliff Ruggles:
It may not be a Quadrajet.  They used some Webber built AFB clones beginning in the early 1980's.  They are nearly identical to Edelbrocks "Performer" Series carburetors, and have some of the same basic design flaws/problems that the Edelbrock carburetors have.

If it is a Quadrajet, we sell complete HP kits for them, with upgraded components that are ethanol compatable, and many essential parts not found in any over the counter kits.

If it is a Webber AFB, we can also supply kits for them......Cliff

omaha:
thanx Cliff for the reply. Did not know you had other kits. Will keep that in mind. The guy is dragging his feet and  cant really tall me exactly what carb it is.  But... someone else heard I was rebuilding carbs and all of a sudden I have about three more carbs to do.  One is a Qjet from a 73 firebird.[non original I guess as it is a 350 pontiac]. Then, I have two more carbs to rebuild going onto chevy pickups, both Qjets.

Really need to order that throttle shaft rebuild kit.  Can I get extra bushings with that.

Cliff Ruggles:
Good news, we sell complete HP kits for all Marine part numbers/models, etc. 

Contact us directly at 740-397-2921 or cliffshp@embarqmail.com for specifics, pricing, etc?....thanks....Cliff

omaha:
Hello everyone,
   Just an update on the progress of the marine carb rebuild. I have recieved the carb and have started to disassemble it. It is a number 17059286 and is in very good condition other than a few things. One thing I noticed right away is that it has no POE for the secondary side but it does have two holes drilled in the air valve door, in line with the emulsion tube holes. It has no bypass air to the primaries ;D. Also, the gasket between the base plate and the body has a gap in the part of it where the primary and secondary bores are seperated, about a quarter inch wide so that it would make the primaries and secondaries some what open to each other. The two idle screws are the newer type[two flats on a circle] and they are totally exposed like an early style carb, no caps or covers. Also ther is no passage in the primary bore for any vacuum advance or EGR. All and all, a very strange carb (to me anyway). Any advice or reasoning for the design would be happily accepted.      :)

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